Sound wave guide structure for speaker system and horn speaker

Acoustics – Sound-modifying means – Intensifying horn

Reexamination Certificate

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C181S185000, C381S340000

Reexamination Certificate

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07735599

ABSTRACT:
A sound wave guide structure for a speaker system comprises a sound passage space connecting an inlet opening11to an outlet opening12. The sound passage space branches in plural stages in a range from the inlet opening11to the outlet opening12, thereby forming a plurality of sound wave guide paths extending from the inlet opening11to the outlet opening12.

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International Search Report for International Application No. PCT/JP2004/004232 by the Japanese Patent Office dated Jul. 6, 2004 (1 page).

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